31885269

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^2\times {\mathrm{131}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 46724832

約数和(自身を除く): 14839563

約数列:

[1, 3, 13, 39, 79, 131, 237, 393, 1027, 1703, 3081, 5109, 6241, 10349, 18723, 31047, 81133, 134537, 243399, 403611, 817571, 2452713, 10628423, 31885269]

約数ペア:

[(1, 31885269), (3, 10628423), (13, 2452713), (39, 817571), (79, 403611), (131, 243399), (237, 134537), (393, 81133), (1027, 31047), (1703, 18723), (3081, 10349), (5109, 6241)]